摘要
本文以镍为例,分别对MIP-AAS中所使用的T形和L形2种放电-吸收管的性能进行了详细的比较研究。讨论了各种实验参数对不同放电-吸收管的影响差异,从中总结出了一些初步的经验规律.
A systematic performance comparison between two different absorption cells used in MIP-AAS for the determination of nickel is completed in this paper.Various factors,such as microwave forward power,carrier gas flow rate,the acidity of the sample solution,etc.,which affected the absorbance,were studied and compared with each other in detail.The effects caused by easily ionized elements and some concomitant elements were also examined for this purpose.A significant enhancement in sensitivity was observed in the determination of nickel when Ca,Mg or La existed.Some conclusions about the performance of T-shaped and L-shaped absorption cells were made
出处
《高等学校化学学报》
SCIE
EI
CAS
CSCD
北大核心
1992年第9期1176-1179,共4页
Chemical Journal of Chinese Universities
基金
国家自然科学基金
关键词
放电-吸收管
镍
MIP-AAS
Microwave induced plasma,Atomic absorption spectrometry,Discharge-absorption cells,Determination of nickel
